31135390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{21773}}^1$

素因数の和:21804

約数の個数: 32

約数和(自身を含む): 65844576

約数和(自身を除く): 34709186

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 21773, 43546, 108865, 217730, 239503, 283049, 479006, 566098, 1197515, 1415245, 2395030, 2830490, 3113539, 6227078, 15567695, 31135390]

約数ペア:

[(1, 31135390), (2, 15567695), (5, 6227078), (10, 3113539), (11, 2830490), (13, 2395030), (22, 1415245), (26, 1197515), (55, 566098), (65, 479006), (110, 283049), (130, 239503), (143, 217730), (286, 108865), (715, 43546), (1430, 21773)]